Mechanical Operations During the washing of cake Cake resistance decreases Filter medium resistance decreases All the resistances are constant Filter medium resistance increases Cake resistance decreases Filter medium resistance decreases All the resistances are constant Filter medium resistance increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one ton of feed to 100 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Titanium oxide Manganese oxide Calcium oxide Cobalt oxide Titanium oxide Manganese oxide Calcium oxide Cobalt oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) All of these 1/μ 1/R S All of these 1/μ 1/R S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Tailing Concentrate Middling Heading Tailing Concentrate Middling Heading ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Sizing Sorting Flocculation Classification Sizing Sorting Flocculation Classification ANSWER DOWNLOAD EXAMIANS APP
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